<section>
  <div></div>
  <div class="key" (click)="handleClick('W')">W</div>
  <div></div>
  <div class="key" (click)="handleClick('A')">A</div>
  <div></div>
  <div class="key" (click)="handleClick('D')">D</div>
  <div></div>
  <div class="key" (click)="handleClick('S')">S</div>
  <div></div>
</section>
